I want
Input :www.example.com/videos/video1%2Cvideo2%2Cvideo3%2Cvideo4%2C Output:www.example.com/videos/video1,video2,video3,vide4
So i need regular expression. I tried this:^videos/[%2C](in iss url rewriting pattern). But not it is not work. It said the input data to test does not match the patter.